EP4068783A4 - Image encoding/decoding method and apparatus, and recording medium storing bitstream - Google Patents

Image encoding/decoding method and apparatus, and recording medium storing bitstream Download PDF

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Publication number
EP4068783A4
EP4068783A4 EP20893847.2A EP20893847A EP4068783A4 EP 4068783 A4 EP4068783 A4 EP 4068783A4 EP 20893847 A EP20893847 A EP 20893847A EP 4068783 A4 EP4068783 A4 EP 4068783A4
Authority
EP
European Patent Office
Prior art keywords
recording medium
medium storing
decoding method
image encoding
storing bitstream
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20893847.2A
Other languages
German (de)
French (fr)
Other versions
EP4068783A1 (en
Inventor
Sung Chang Lim
Jung Won Kang
Soo Woong Kim
Gun Bang
Jin Ho Lee
Ha Hyun Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electronics and Telecommunications Research Institute ETRI
Original Assignee
Electronics and Telecommunications Research Institute ETRI
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electronics and Telecommunications Research Institute ETRI filed Critical Electronics and Telecommunications Research Institute ETRI
Publication of EP4068783A1 publication Critical patent/EP4068783A1/en
Publication of EP4068783A4 publication Critical patent/EP4068783A4/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/62—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding by frequency transforming in three dimensions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding
EP20893847.2A 2019-11-26 2020-11-26 Image encoding/decoding method and apparatus, and recording medium storing bitstream Pending EP4068783A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20190153330 2019-11-26
KR20200004406 2020-01-13
PCT/KR2020/016991 WO2021107648A1 (en) 2019-11-26 2020-11-26 Image encoding/decoding method and apparatus, and recording medium storing bitstream

Publications (2)

Publication Number Publication Date
EP4068783A1 EP4068783A1 (en) 2022-10-05
EP4068783A4 true EP4068783A4 (en) 2023-12-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20893847.2A Pending EP4068783A4 (en) 2019-11-26 2020-11-26 Image encoding/decoding method and apparatus, and recording medium storing bitstream

Country Status (5)

Country Link
US (1) US20230007290A1 (en)
EP (1) EP4068783A4 (en)
KR (1) KR20210065063A (en)
CN (1) CN114600455A (en)
WO (1) WO2021107648A1 (en)

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
US10681379B2 (en) * 2015-09-29 2020-06-09 Qualcomm Incorporated Non-separable secondary transform for video coding with reorganizing
CN114401407A (en) * 2016-06-24 2022-04-26 韩国电子通信研究院 Method and apparatus for transform-based image encoding/decoding
EP3606066A4 (en) * 2017-03-23 2020-03-25 Sony Corporation Image processing device and method
KR20190113591A (en) * 2018-03-28 2019-10-08 한국전자통신연구원 Method and apparatus for image encoding/decoding and recording medium for storing bitstream
KR20210133299A (en) * 2019-04-20 2021-11-05 엘지전자 주식회사 Video coding method and apparatus based on BDPCM
CN116896634A (en) * 2019-04-23 2023-10-17 北京字节跳动网络技术有限公司 Conditional use of multiple transform matrices in video coding
CN113950829A (en) * 2019-06-06 2022-01-18 北京字节跳动网络技术有限公司 Simplified transform coding and decoding tool

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
BENJAMIN BROSS ET AL: "Versatile Video Coding (Draft 7)", no. JVET-P2001-vE; JVET-P2001 ; m51515, 14 November 2019 (2019-11-14), pages 1 - 489, XP030224330, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P2001-v14.zip JVET-P2001-vE.docx> [retrieved on 20191114] *
EGILMEZ (QUALCOMM) H E ET AL: "Combination of JVET-Q0106, JVET-0686 and JVET-Q0133 for LFNST Signaling, Latency Reduction and Scaling Process", no. JVET-Q0784 ; m52803, 15 January 2020 (2020-01-15), XP030224194, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/17_Brussels/wg11/JVET-Q0784-v5.zip JVET-Q0784_v5.docx> [retrieved on 20200115] *
ROSEWARNE C ET AL: "On LFNST signalling and transform skip", no. JVET-Q0328 ; m51923, 31 December 2019 (2019-12-31), XP030223185, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/17_Brussels/wg11/JVET-Q0328-v1.zip JVET-Q0328.docx> [retrieved on 20191231] *
See also references of WO2021107648A1 *
T-C MA (KWAI) ET AL: "On LFNST signaling with Transform-skip mode", no. JVET-Q0499 ; m52097, 1 January 2020 (2020-01-01), XP030223714, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/17_Brussels/wg11/JVET-Q0499-v1.zip JVET-Q0499.docx> [retrieved on 20200101] *

Also Published As

Publication number Publication date
KR20210065063A (en) 2021-06-03
CN114600455A (en) 2022-06-07
EP4068783A1 (en) 2022-10-05
US20230007290A1 (en) 2023-01-05
WO2021107648A1 (en) 2021-06-03

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